"It's been such a puzzle that there was liquid water on Mars, because Mars is further from the sun, and also, the sun was ...

Continuing the Artemis program and using its planned lunar space station as a staging post would be a more energy efficient ...

Aside from Earth, no planet in the solar system captures our imagination quite like Mars. The Red Planet is one of the few ...

Mars' southern hemisphere absorbs a lot of the sun's energy during the Red Planet's spring, and that may be causing Mars' ...

Experts told Newsweek about the difficulties of reaching Mars as the United States faces complex challenges in space policy.

Trump says we're going to Mars. He may be making it harder to get there. President Donald Trump says we’re going to Mars, but ...

A world-leading designer of space robots says gigantic new rockets being tested by billionaires Elon Musk and Jeff Bezos are ...

"Rootless cones form when lava flows over wet or icy ground, causing it to boil and explode," said Dundas. "The region around ...

The United States will once again consider itself a growing nation, one that increases our wealth, expands our territory, ...

Stargazers will be treated to a dazzling six-planet "alignment" this January.

The president’s Inaugural Address linked landing on the Red Planet with Manifest Destiny, but left many of the specifics ...